| 0 | 53124 | 12E0100009 | 'Hurvinek' | Rhododendron dichroanthum Diels subsp. scyphocalyx (Balf. f. & Forrest) Cowan | Czechoslovakia | | 2 | 12E0100009 ** |
| 1 | 53149 | 12E0100034 | 'Boule de Neige' | Rhododendron hybr. | France | | 2 | 12E0100034 ** |
| 2 | 53161 | 12E0100046 | 'Furnivall's Daughter' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100046 ** |
| 3 | 53210 | 12E0100095 | 'Mrs Davies Evans' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100095 ** |
| 4 | 53235 | 12E0100120 | 'Direktoer E. Hjelm' | Rhododendron fortunei Lindl. subsp. fortunei | Netherlands | | 2 | 12E0100120 ** |
| 5 | 53252 | 12E0100137 | 'Mount Everest' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100137 ** |
| 6 | 53271 | 12E0100156 | 'Harvest Moon' | Rhododendron campylocarpum Hook. f. | Netherlands | | 2 | 12E0100156 ** |
| 7 | 53311 | 12E0100196 | 'Jacksonii' | Rhododendron caucasicum Pall. | unknown | | 2 | 12E0100196 ** |
| 8 | 53360 | 12E0100245 | 'Volker' | Rhododendron hybr. | Germany | | 2 | 12E0100245 ** |
| 9 | 53361 | 12E0100246 | 'Goldika' | Rhododendron wardii W. W. Sm. | Germany | | 2 | 12E0100246 ** |
| 10 | 53374 | 12E0100259 | 'Hachmann's Polaris' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100259 ** |
| 11 | 53392 | 12E0100277 | 'Stadt Essen' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100277 ** |
| 12 | 53395 | 12E0100280 | 'Vorwerk Abendsonne' | Rhododendron hybr. | Germany | | 2 | 12E0100280 ** |
| 13 | 53412 | 12E0100297 | 'Caucasicum Pictum' | Rhododendron caucasicum Pall. | United Kingdom | | 2 | 12E0100297 ** |
| 14 | 53438 | 12E0100323 | 'Bruns Schneewittchen' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 2 | 12E0100323 ** |
| 15 | 53448 | 12E0100333 | 'Tibet' | Rhododendron williamsianum Rehder & E. H. Wilson | Germany | | 2 | 12E0100333 ** |
| 16 | 53449 | 12E0100334 | 'Ariane' | Rhododendron insigne Hemsl. & E. H. Wilson | Germany | | 2 | 12E0100334 ** |
| 17 | 53450 | 12E0100335 | 'Silvia' | Rhododendron hybr. | Germany | | 2 | 12E0100335 ** |
| 18 | 53452 | 12E0100337 | 'Ovation' | Rhododendron haematodes Franch. | United Kingdom | | 2 | 12E0100337 ** |
| 19 | 53461 | 12E0100346 | 'Marietta' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100346 ** |
| 20 | 53469 | 12E0100354 | 'Hachmann's Diadem' | Rhododendron hybr. | Germany | | 2 | 12E0100354 ** |
| 21 | 53478 | 12E0100363 | 'Clivia' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100363 ** |
| 22 | 53488 | 12E0100373 | 'Kate Waterer' | Rhododendron catawbiense Michx. | United Kingdom | | 2 | 12E0100373 ** |
| 23 | 53496 | 12E0100381 | 'James Burchett' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 2 | 12E0100381 ** |
| 24 | 53517 | 12E0100402 | 'Edelweiss' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100402 ** |
| 25 | 53541 | 12E0100426 | 'Ken Janeck' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United States | | 2 | 12E0100426 ** |
| 26 | 53542 | 12E0100427 | 'Kings Ride' | Rhododendron hybr. | United Kingdom | | 2 | 12E0100427 ** |
| 27 | 53545 | 12E0100430 | 'Ladybird' | Rhododendron fortunei Lindl. subsp. discolor (Franch.) D. F. Chamb. | United Kingdom | | 2 | 12E0100430 ** |
| 28 | 53547 | 12E0100432 | 'Lavendelzauber' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | Germany | | 2 | 12E0100432 ** |
| 29 | 53556 | 12E0100441 | 'Nofretete' | Rhododendron insigne Hemsl. & E. H. Wilson | United Kingdom | | 2 | 12E0100441 ** |
| 30 | 53570 | 12E0100455 | 'Schlaraffia' | Rhododendron hybr. | unknown | | 2 | 12E0100455 ** |
| 31 | 53573 | 12E0100458 | 'Silver Lady' | Rhododendron hybr. | Germany | | 2 | 12E0100458 ** |
| 32 | 53618 | 12E0100503 | 'Campfire' | Rhododendron hybr. | unknown | | 2 | 12E0100503 ** |
| 33 | 53627 | 12E0100512 | 'Diamant Purpur' | Rhododendron kiusianum Makino | Germany | | 2 | 12E0100512 ** |
| 34 | 53628 | 12E0100513 | 'Diamant Rosa' | Rhododendron kiusianum Makino | Germany | | 2 | 12E0100513 ** |
| 35 | 53629 | 12E0100514 | 'Diamant Rot' | Rhododendron kiusianum Makino | Germany | | 2 | 12E0100514 ** |
| 36 | 53647 | 12E0100533 | 'George Cunningham' | Rhododendron hybr. | unknown | | 2 | 12E0100533 ** |
| 37 | 53651 | 12E0100537 | 'Golden Melodie' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | unknown | | 2 | 12E0100537 ** |
| 38 | 53662 | 12E0100548 | 'Marie Podvalova' | Rhododendron yedoense Maxim. var. poukhanense (H. Lév.) Nakai | Czech Republic | | 2 | 12E0100548 ** |
| 39 | 53682 | 12E0100601 | 'Blanice' | Rhododendron obtusum (Lindl.) Planch. | Czechoslovakia | | 2 | 12E0100601 ** |
| 40 | 53706 | 12E0100810 | 'Caroline Allbrook' | Rhododendron degronianum Carrière subsp. yakushimanum (Nakai) H. Hara var. yakushimanum (Nakai) Kitam. | United Kingdom | | 2 | 12E0100810 ** |
| 41 | 53715 | 12E0100819 | 'Viscy' | Rhododendron hybr. | Germany | | 2 | 12E0100819 ** |
| 42 | 53733 | 12E0100837 | 'Charis' | Rhododendron hybr. | Germany | | 2 | 12E0100837 ** |
| 43 | 53734 | 12E0100838 | 'Cervena Lhota' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100838 ** |
| 44 | 53735 | 12E0100839 | 'Kuks' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100839 ** |
| 45 | 53742 | 12E0100846 | 'Rohozec' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100846 ** |
| 46 | 53746 | 12E0100850 | 'Fuellhorn' | Rhododendron hybr. | Germany | | 2 | 12E0100850 ** |
| 47 | 53747 | 12E0100851 | 'Vizovice' | Rhododendron kiusianum Makino | Czech Republic | | 2 | 12E0100851 ** |
| 48 | 53748 | 12E0100852 | 'Bouzov' | Rhododendron decorum Franch. | Czech Republic | | 2 | 12E0100852 ** |
| 49 | 53756 | 12E0100860 | 'Hluboka' | Rhododendron obtusum (Lindl.) Planch. | Czech Republic | | 2 | 12E0100860 ** |
| 50 | 53761 | 12E0100865 | 'Kromeriz' | Rhododendron kiusianum Makino | Czech Republic | | 2 | 12E0100865 ** |
| 51 | 64798 | 12E0100880 | 'Kotnov' | Rhododendron hybr. | Czech Republic | | 2 | 12E0100880 ** |
| 52 | 65918 | 12E0100893 | 'Hachmann's Mercator' | Rhododendron hybr. | Germany | | 2 | 12E0100893 ** |